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Finding the Fourth Proportional to 6,786.73, 9,358.14 and 4,265.80

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Solution

The fourth proportional to 6,786.73, 9,358.14 and 4,265.80 is: 5,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.73 : 9,358.14 = 4,265.80 : x
  2. Step 2: Convert to fraction form
    6,786.73/9,358.14 = 4,265.80/x
  3. Step 3: Cross multiply
    6,786.73x = 9,358.14 × 4,265.80
  4. Step 4: Simplify right side
    6,786.73x = 39,919,953.61
  5. Step 5: Solve for x
    x = 39,919,953.61/6,786.73
  6. Step 6: Final answer
    x = 5,882.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.